The love between a human and an elf exists in the naughty hentai movie Elf no Oshiego to Sensei part 2. One day the human world connected with the elves live. It was taken 20 young female elves in Japan as exchange students for better understanding and trusting of their world. Kobayashi Hiroki is the young male teacher who was chosen by government to watch over the elf students. These girls are nothing more than students. He, as a teacher, can not have any affair with his students. But he never even had a human hentai girlfriend. For him who loves fantasy a lot, these girls are too good to be true. A bunch of happenings later, somehow he and his student elf girl Lalanoa become lovers. Their relationship is a secret that must not be leaked. Another girl Miina, who treats Lalanoa like her real sister found out about them. But Miina is not his big problem. One day he found a lady in a state of insensibility laying near the school. Hiroki wants to call to his sister because she works for government and the young woman looks like an elf. But the woman opens her hentai movie eyes and uses a magic to separate him from another elves and steal him. She is the Dark Elf.